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Re: When scripting, which is better? - Mailing list pgsql-hackers

From Adrian Phillips
Subject Re: When scripting, which is better?
Date
Msg-id 87d747tmrh.fsf@grannyogg.localnet
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In response to When scripting, which is better?  (Justin Clift <justin@postgresql.org>)
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>>>>> "Justin" == Justin Clift <justin@postgresql.org> writes:
   Justin> if [ x"$foo" = x"" ]; then
   Justin> or
   Justin> if [ "$op" = "" ]; then
   Justin> or
   Justin> if [ "$foo" ]; then

I'm not the slightest bit a shell expert, but why not :-

if [ -z "$foo" ]; then

Is this POSIX/SUS2/whatever ?

Sincerely,

Adrian Phillips

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